That the Prophet (ﷺ) said to a delegation from 'Abdul-Qais: "I order you to give the Khumus from your spoils of war."

He said: There is a story with this Hadith

This Hadith is Hasan Sahih.
Jami` at-Tirmidhi Book 21, Hadith 61
← Previous Hadith "We used to say that the participants of Badr on the Day of Badr were like the number of companions of Talut, three hundred and thirteen men."

There is something on this topic from Ibn 'Abbas.

This Hadith is Hasan Sahih. Ath-Thawri and others reported it from Abu Ishaq.

Jami` at-Tirmidhi Book 21, Hadith 60 Next Hadith → Another chain with similar narration.

Jami` at-Tirmidhi Book 21, Hadith 62